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TR 184 007 V2.1.1 (2008-08) Technical Report

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TR 184 007 V2.1.1 (2008-08) Technical Report ETSI TR 184 007 V2.1.1 (2008-08) Technical Report Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Naming/Numbering Address Resolution (NAR) 2 ETSI TR 184 007 V2.1.1 (2008-08) Reference DTR/TISPAN-04011-NGN-R2 Keywords addressing, enum, DNS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N° 348 623 562 00017 - NAF 742 C Association à but non lucratif enregistrée à la Sous-Préfecture de Grasse (06) N° 7803/88 Important notice Individual copies of the present document can be downloaded from: http://www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http://portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http://portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. © European Telecommunications Standards Institute 2008. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTM, TIPHONTM, the TIPHON logo and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. ETSI 3 ETSI TR 184 007 V2.1.1 (2008-08) Contents Intellectual Property Rights................................................................................................................................4 Foreword.............................................................................................................................................................4 1 Scope ........................................................................................................................................................5 2 References ................................................................................................................................................5 2.1 Normative references .........................................................................................................................................5 2.2 Informative references........................................................................................................................................5 3 Definitions and abbreviations...................................................................................................................7 3.1 Definitions..........................................................................................................................................................7 3.2 Abbreviations .....................................................................................................................................................8 4 Introduction ............................................................................................................................................10 5 Rationale for the Analysis of Naming Numbering Address Resolution and of the Basic Structure of a Naming Numbering Address Resolution Framework.....................................................................10 5.1 Motivation - Use Cases ....................................................................................................................................10 5.2 Steps requiring further Investigation ................................................................................................................18 6 Basic Structure of the Naming/Numbering Address Resolution Framework ........................................20 6.1 NAR Methods - Generic Approach..................................................................................................................20 6.2 Fundamental Principles and Requirements ......................................................................................................21 6.3 NAR Process in TISPAN NGN........................................................................................................................22 7 Gap-Analysis..........................................................................................................................................25 7.1 Concept of NAR to support/enable Use Cases.................................................................................................26 7.2 Reference Points/Interfaces between NAR and Network Elements .................................................................26 7.3 Introduction of a Network Function NAR........................................................................................................26 8 Conclusions ............................................................................................................................................26 Annex A (informative): Bibliography...................................................................................................27 History ..............................................................................................................................................................28 ETSI 4 ETSI TR 184 007 V2.1.1 (2008-08) Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http://webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Technical Report (TR) has been produced by ETSI Technical Committee Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN). ETSI 5 ETSI TR 184 007 V2.1.1 (2008-08) 1 Scope The present document investigates the need to introduce a Naming/Numbering Address Resolution framework into TISPAN NGN conformant communication networks. To this end the following topics are covered: • Analysis of the consequences of creating a Naming/Numbering Address Resolution framework. • Gap Analysis of current TISPAN NGNs specifications in comparison to existing/emerging solutions of NAR methods. • Identification of items for standardization as a result of the analysis described in the bullet above. Furthermore the present document investigates the Naming/Numbering Address Resolution (NAR) in NGNs and identifies Naming/Numbering Address Resolution (NAR) use cases used in NGN environments. 2 References References are either specific (identified by date of publication and/or edition number or version number) or non-specific. • For a specific reference, subsequent revisions do not apply. • Non-specific reference may be made only to a complete document or a part thereof and only in the following cases: - if it is accepted that it will be possible to use all future changes of the referenced document for the purposes of the referring document; - for informative references. Referenced documents which are not found to be publicly available in the expected location might be found at http://docbox.etsi.org/Reference. For online referenced documents, information sufficient to identify and locate the source shall be provided. Preferably, the primary source of the referenced document should be cited, in order to ensure traceability. Furthermore, the reference should, as far as possible, remain valid for the expected life of the document. The reference shall include the method of access to the referenced document and the full network address, with the same punctuation and use of upper case and lower case letters. NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. 2.1 Normative references The following referenced documents are indispensable for the application of the present document. For dated references, only the edition cited applies. For non-specific references, the latest edition of the referenced document (including any amendments) applies. Not applicable. 2.2 Informative references The following referenced documents are not essential to the use of the present document but they assist the user with regard to a particular subject area. For non-specific references, the latest version of the referenced document (including any amendments) applies. [i.1] ITU-T Recommendation E.164(02/2005): "The international public telecommunication numbering plan". ETSI 6 ETSI TR 184 007 V2.1.1 (2008-08) [i.2] ETSI TS 184 002 (V.1.1.1):
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